Kural - 1006

Their ample wealth is misery to men of churlish heart,
Who nought themselves enjoy, and nought to worthy men impart

Explanation
He who enjoys not (his riches) nor relieves the wants of the worthy is a disease to his wealth.

Tamil Transliteration
Edham Perunjelvam Thaandhuvvaan Thakkaarkkondru
Eedhal Iyalpilaa Thaan.